#coding:utf8
from baike_spider import url_manager, html_downloader, html_parser,html_outputer

class SpiderMain(object):
    def __init__(self):
        self.urls=url_manager.UrlManager()
        self.downloader=html_downloader.HtmlDownloader()
        self.parser=html_parser.HtmlParser()
        self.outputer=html_outputer.HtmlOutputer()
        
    def craw(self, root_url):
        count=1
        self.urls.add_new_url(root_url)
        while self.urls.has_new_url():
            
            try:
                new_url=self.urls.get_new_url()
                print ("craw %d:%s"%(count,new_url))
                html_cont=self.downloader.download(new_url)
                new_urls,new_data=self.parser.parse(new_url,html_cont)
                self.urls.add_new_urls(new_urls)
                self.outputer.collect_data(new_data)
                    
                if count==100:
                    break
                    
                count=count+1
            except:
                print"craw failed"
        self.outputer.output_html()

if __name__=="__main__":
    root_url="http://baike.baidu.com/view/21087.htm"
    obj_spider=SpiderMain()
    obj_spider.craw(root_url)